Consider y = (1 + 3x²) Arctan x - 3. what is its derivative? %3D 1 +3x2 1 + x2 A - 6x Arctan x 1 +3x² 1 + x2 6x Arctan x 1 +3x2 1 + x2 + 3x Arctan x 1 +3x2 D 1 + x2 + 6x Arctan x Question 8 3x Evaluate lim ( tan sin - ). A 0 B 2 (c) does not exist B.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.5: Rational Functions
Problem 51E
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Question 7
Consider y = (1 + 3x2) Arctan x
-3. What is its derivative?
-
1 +3x?
1 + x?
(A)
6x Arctan x
1 +3x?
(B)
1 + x?
6x Arctan x
1 +3x2
1 + x?
(c)
+ 3x Arctan x
-
1 +3x2
(D
1 + x2
+ 6x Arctan x
Question 8
X
3x
Evaluate lim ( tan
4
sin
).
A
(в) 2
C does not exist
D 1
Transcribed Image Text:Question 7 Consider y = (1 + 3x2) Arctan x -3. What is its derivative? - 1 +3x? 1 + x? (A) 6x Arctan x 1 +3x? (B) 1 + x? 6x Arctan x 1 +3x2 1 + x? (c) + 3x Arctan x - 1 +3x2 (D 1 + x2 + 6x Arctan x Question 8 X 3x Evaluate lim ( tan 4 sin ). A (в) 2 C does not exist D 1
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